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P-17858 culvert on Route 132, Percé -Temporary Retaining

The project involved demolishing the existing bridge located above the Priest River on Route 132 at Percé and replace a culvert vaulted precast reinforced concrete. To meet environmental requirements of the contract, the general contractor must provide appropriate methods to adequately protect the river. Managing stormwater pumping and excavation was a major issue. Our mandate has led to assist and advise the general contractor in its working methods throughout the project. In particular, we directed the excavation water management plan, the plan of the cofferdam sheet pile steel which helped build the foundation of the new culvert and plan the lifting and installation of prefabricated sections of the new culvert.